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Green bare circuit board DDR3 DIMM with black memory chips

Computer Memory Solutions

Computer Memory Solutions 4GB DDR3 1600 CL11 2Rx8 memory upgrade

SKU CH-MD5K-WEK5A

A 4 GB DDR3 1600 CL11 2Rx8 DIMM validated for HP EliteDesk 800 G1 SFF and Tower systems

  • Total capacity4 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 4GB capacity adds responsive multitasking headroom
  • DDR3 1600 speed matches EliteDesk 800 G1 requirements
  • CL11 11-11-11 timing delivers stable operation
  • 2Rx8 unbuffered design fits four DIMM slots
  • 5V standard voltage ensures broad compatibility

4 GB DDR3 1600 module for HP EliteDesk 800 G1

This 240-pin DIMM delivers 4 GB of unbuffered DDR3 memory rated at 1600 MHz with CL11 timing and 1.5 V operation. It is built for HP EliteDesk 800 G1 SFF and tower systems and carries the vendor’s lifetime warranty when purchased directly from them.

Capacity and real-world headroom

The system supports a maximum of 32 GB across four slots, so this single module leaves three slots open for further expansion. The chipset limits the operating speed to 1333 MHz, and a 32-bit operating system cannot address memory above 4 GB, requiring a 64-bit OS to use the full capacity.

Upgrade path and when it makes sense

It replaces an existing lower-capacity stick or fills an empty slot to move a workstation toward the 32 GB ceiling. The jump is worthwhile when the current configuration falls short of the 64-bit OS limit or when multitasking demands exceed the installed amount, but it will not benefit systems already at the slot or capacity maximum.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 96% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $3.00 per GB
Cheaper than about 90% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126412800DIMMHDR
Total capacity4 GB
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsHp/Compaq Elitedesk 800 G1 Series Sff/Tower Towers
In the box
Included items1 Memory RAM Stick

Questions about this item

Will this 4 GB DDR3-1600 module run at its rated speed alongside the existing memory in my EliteDesk 800 G1 tower?

The chipset limits memory to 1333 MHz, so this stick will downclock to match the system maximum.

How can I verify the module is detected at the correct capacity after installation?

Open Task Manager or BIOS and confirm 4 GB appears; a 32-bit OS will not show memory above 4 GB.

Does the package include only the memory stick, or are tools and thermal pads also supplied?

The box contains one 240-pin DDR3 DIMM; no tools, screws or heat spreaders are included.

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